Babylonian clay model showing a nude couple on a couch engaged in sex and kissing from 1800 BC.Trustees of the British Museum/University of Copenhagen New research into Ancient Mesopotamia suggests ...

Kissing is not a universal expression of romantic love, it turns out. Kissing is considered a sign of sexual attraction in less than half of the world's societies, according to a recent study. The ...

Humans have been kissing for a long time, according to an article published in the journal Science on Thursday. Researchers studied cuneiform texts from ancient Mesopotamia in an effort to unlock the ...

A kiss between lovers is such a common sight these days that one might think that it's always been done, and all over the world. But a new study finds that many cultures don't feature romantic kissing ...